Oracle
ODBC 驱动
https://www.oracle.com/database/technologies/dotnet-odacdev-downloads.html
https://www.oracle.com/database/technologies/odac-downloads.html (64bit)
下载 Oracle Visual Studio 工具和 ADO.NET 数据访问提供程序
https://www.oracle.com/technetwork/topics/dotnet/downloads/index.html
Oracle 数据库下载
https://www.oracle.com/database/technologies/oracle-database-software-downloads.html
MySQL
Connector/NET
https://dev.mysql.com/downloads/connector/net/
Connector/ODBC
https://dev.mysql.com/downloads/connector/odbc/
PowerDesigner
MySQL for Visual Studio
https://dev.mysql.com/downloads/windows/visualstudio/